/*
 jChecs: a Java chess game sample 

 Copyright (C) 2006-2011 by David Cotton

 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
 Foundation; either version 2 of the License, or (at your option) any later
 version.

 This program is distributed in the hope that it will be useful, but WITHOUT
 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

 You should have received a copy of the GNU General Public License along with
 this program; if not, write to the Free Software Foundation, Inc., 51 Franklin
 Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */
package fr.free.jchecs.ai;

import java.io.Serializable;

import fr.free.jchecs.core.MoveGenerator;

/**
 * Interface présentée par les classes proposant une fonction d'évaluation.
 * 
 * @author David Cotton
 */
public interface Heuristic extends Serializable {
	/**
	 * Renvoi la valeur estimée d'un état du jeu, pour les fonctions de
	 * recherche du meilleur coup.
	 * 
	 * @param pEtat
	 *            Etat du jeu.
	 * @param pTrait
	 *            Positionné à "true" si l'on veut une évaluation du point de
	 *            vue des blancs.
	 * @return Valeur estimée.
	 */
	int evaluate(final MoveGenerator pEtat, final boolean pTrait);
}
